Ok...so here's the solution.
Make up a nice, solid DC supply, with low AC/RF noise on it...
and couple it to the ground of your coax. About 1KV @ 20mA
would do the trick, I think. You'll need to play phantom/
decoupling games at the tx end, and possibly at the antenna
end, depending on your insulation situation.
Anything less, and the critters won't be disuaded. I basically
discarded 500' of 9913 after a season because of them. Made 9
splices, removing damaged sections....then found the little
hibernating critters had done in several more in the spring.
I gave up.
Course, you could always put the coax in a garden hose. That's
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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